7K7U | pdb_00007k7u

BetaB2-crystallin

• PDB DOI: https://doi.org/10.2210/pdb7K7U/pdb

• Classification: STRUCTURAL PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2020-09-24 Released: 2022-02-09 
• Deposition Author(s): Tan, L.L., Jackson, C.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.03 Å
• R-Value Free: 
  0.250 (Depositor), 0.260 (DCC) 
• R-Value Work: 
  0.189 (Depositor), 0.190 (DCC) 
• R-Value Observed: 
  0.192 (Depositor) 

Starting Model: experimental

Literature

BetaB2-crystallin

Jackson, C.J., Carver, J.A., Tan, L.L., Grosas, A.B.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: light scattering

Biological Assembly 2  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 3 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 280.94 kDa 
• Atom Count: 18,086 
• Modeled Residue Count: 2,221 
• Deposited Residue Count: 2,460 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-crystallin B2	A [auth I], B [auth J], C [auth K], D [auth L], E [auth A], F [auth C], G [auth D], H [auth E], I [auth B], J [auth F], K [auth G], L [auth H]	205	Homo sapiens	Mutation(s): 0  Gene Names: CRYBB2, CRYB2, CRYB2A
UniProt & NIH Common Fund Data Resources
Find proteins for P43320 (Homo sapiens) Explore P43320  Go to UniProtKB:  P43320
PHAROS:  P43320 GTEx:  ENSG00000244752

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.03 Å
• R-Value Free:  0.250 (Depositor), 0.260 (DCC) 
• R-Value Work:  0.189 (Depositor), 0.190 (DCC) 
• R-Value Observed: 0.192 (Depositor) 

Space Group: P 2 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 78.655	α = 90
b = 113.192	β = 90
c = 340.234	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2022-02-09 
Deposition Author(s): Tan, L.L., Jackson, C.J.

Revision History  

• Version 1.0: 2022-02-09
  Type: Initial release
  
• Version 1.1: 2023-10-18
  Changes: Data collection, Refinement description